// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_BASE_CRYPTO_MODULE_H_
#define NET_BASE_CRYPTO_MODULE_H_

#include <string>
#include <vector>

#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "net/base/net_export.h"

#if defined(USE_NSS_CERTS)
typedef struct PK11SlotInfoStr PK11SlotInfo;
#endif

namespace net {

class CryptoModule;

typedef std::vector<scoped_refptr<CryptoModule>> CryptoModuleList;

class NET_EXPORT CryptoModule
    : public base::RefCountedThreadSafe<CryptoModule> {
public:
#if defined(USE_NSS_CERTS)
    typedef PK11SlotInfo* OSModuleHandle;
#else
    typedef void* OSModuleHandle;
#endif

    OSModuleHandle os_module_handle() const
    {
        return module_handle_;
    }

    std::string GetTokenName() const;

    static CryptoModule* CreateFromHandle(OSModuleHandle handle);

private:
    friend class base::RefCountedThreadSafe<CryptoModule>;

    explicit CryptoModule(OSModuleHandle handle);
    ~CryptoModule();

    OSModuleHandle module_handle_;

    DISALLOW_COPY_AND_ASSIGN(CryptoModule);
};

} // namespace net

#endif // NET_BASE_CRYPTO_MODULE_H_
